National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Light Snow Fog/Mist

32°F

0°C

Humidity 92%
Wind Speed NW 5 mph
Barometer 29.88 in (1012.0 mb)
Dewpoint 30°F (-1°C)
Visibility 1.00 mi
Wind Chill27°F (-3°C)
Last update 18 Jan 6:53 pm EST
Extended Forecast for

Dayton NJ

Winter Weather Advisory January 18, 07:09pm until January 18, 08:00pm
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory January 18, 07:09pm until January 18, 08:00pm

    NOW until 8:00pm Sun

    Winter Weather Advisory

  • Tonight

    Low: 18 °F

    Snow Likely
    then Mostly
    Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 34. Southwest wind 5 to 15 mph.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. West wind 10 to 15 mph.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 22. Wind chill values as low as zero. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 5. West wind around 5 mph becoming calm in the evening.

    Low: 5 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain and snow after 1pm. Partly sunny, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Partly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. West wind 5 to 10 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.
M.L.King Day
Mostly sunny, with a high near 34. Southwest wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 13. West wind 10 to 15 mph.
Tuesday
Sunny, with a high near 22. Wind chill values as low as zero. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 5. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
A chance of rain and snow after 1pm. Partly sunny, with a high near 39. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 16.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 16.
Saturday
A chance of snow. Partly sunny, with a high near 29. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 22. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dayton NJ
 40.39°N 74.49°W (Elev. 98 ft)
Last Update:
4:12 pm EST Jan 18, 2026
Forecast Valid:
7pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation